diff --git a/Jenkinsfile b/Jenkinsfile
index fcd6a0f..2b8025b 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -13,6 +13,16 @@ spec:
   nodeSelector:
     kubernetes.io/arch: arm64
     node-role.kubernetes.io/worker: "true"
+  affinity:
+    nodeAffinity:
+      requiredDuringSchedulingIgnoredDuringExecution:
+        nodeSelectorTerms:
+          - matchExpressions:
+              - key: kubernetes.io/hostname
+                operator: NotIn
+                values:
+                  - titan-10
+                  - titan-12
   imagePullSecrets:
     - name: harbor-robot-pipeline
   containers: